Washing machine



` v L. L. PARK WASHING 4MACHINE Filed Aug. 9, 1922 2 Sheets-Sheet 1 Mar. 3, 1925. 1,528,626

Y l.. PARK y WASHING MACHINE Filed Aug. 9,1922 2 Sheets-Sheet 2 Patented Mar. 3, `1925.

UNITED STATES LEONORR L. PARK, OF ST. LOUIS, MISSOURI.

WASHING MACHINE.

Application filed August Q, 1922. Serial No. 580,813.

To all who-m, it may concern Be it known that I, LnoNonk L. PARK, a citizen of the United States, residing in the city of St. Louis and State of Missouri, have invented certain new and useful Improvements in Washing Machines, of whichu the following is a specification.

This invention relates to dish washing machines and has for `its object to provide a machine of such class, in a manner as hereinafter set forth, with means for circulating water through the machine during the operation thereof and further for filtering the water thereof during the washing thereof for separating the garbage, grease', etc., therefrom.

A further object of the invention is to provide a machine of such class, in a manner as hereinafter set forth for circulating water through the machine during the operation thereof and further for filtering the water,

`during the washing operation, to separate.

the grease, garbage, etc., therefrom, and further for causing the discharge of the grease, garbage, etc., from the machine and which has been separated from the water during the circulation thereof.

A. further object of the invention is to provide a dish washing machine, in a manner as hereinafter set forth, with means for heating the water within the machine during the washing operation,and further for drying the dishes at the completion of the washing operation, after the water has been drawn oft'.

A further object of the invention is to provide a machine of such class, in amanner as hereinafter set forth, with a removable and rotatable element for supporting the dishes during the washing operation, an

-further, whereby the dishes can be positioned in .said element, whether the latter remains within or is removed from the machine.

A further object of the invention is to provide a machine of such class, in a manner.

as :hereinafter set forth, with a rotatable supporting elementv for Vthe dishes to be 'cleaned and further, with means for'spraying the dishes supported by said element,

' with water to rinse them, whether the said supporting'element, is rotating, or is held stationary.

Further objects of the inventlon are to provide a dish washing machine which is simple in its construction and arrangement,

drawings, wherein is shown an embodiment of the invention, but it is to be 'understood that changes, variations and modifications can be resorted to Which come within the scope'of the claims hereunto appended.

In the drawings wherein like reference characters denote corresponding parts throughout the several viewsz- Figure 1 isa top plan, partly broken away, of a dish washing machine in accordance with this invention,

Figure 2 is a front elevation, section, of the machine,

Figure 3 is an end view,

Figure et is a transverse section,

Figure 5 is a vertical sectional view illustrating the filtering element.

Referring to the drawings in detail, the machine includes a tank element comprising a top frame formed With a pair of opposed longitudinally extending bars 1, and a pair of opposed transversely extending bars l. The ends of the said bars 1, 1 are bevelled to provide for a close fit, at the corners between the said bars, and the bars 1, 1, at

partly in the outer corners of the top frame are secured together by angle shape stay members 1. Projecting from the other side of the top frame is an auxiliary frame comprising a pair of longitudinally extending bars 1a and a transversely disposed bar 1b. The

bars 1EL and 1b abut against the inner horizontal bar 1 and are maintained in abutting relation, with respect to the inner horizontal bar 1', by strapsV 1, which are secured tothe longitudinal bars 1 and l, by the hold-fast devices 1d. The longitudinal bars l, are secured to the transverse bar 1", by angleshape stay members 1d, which are/positioned at the corners of the auxiliary frame. The strap 1 and hold-fast device 1d', not only maintain the longitudinal bars 1a, against the inner transverse bar 1, but alsofixedly secures the said inner transverse bar 1, against the longitudinal bars 1. The top frame, as well as theauxlliary frame, which forms a part of the top frame, is supported by two p-air of outer standards 1e and 1f, and a pair of intermediate standards 1g. The standards 1e and 1f, are secured to the top and auxiliary frames by the stay pieces 1 and 1d respectively. The standards 1g are secured to the top frame, by the straps 1". Longitudinal and horizontal braces 1h and 1, are secured to the standards, as at 1m and 1n respectively. The bars of the top and auxiliary frame, as Well as the standards are constructed of angle iron, and secured against the inner faces of the standards 1e, 1g, and further against the inner faces of the bars 1 and 1', is a receptacle 2, having a concave bottom 2, and which provides in connection with the standards, a tank, forming a chamber 2a. The inner and outer end Walls of the chamber 2al are indicated at 2", 2, respectively. A removable flanged cover 3 is provided for the tank, and has secured to its upper face a pair of handgrips 4.

Secured to the outer face of the bottom of the tank, as well as depending therefrom, is a' semi-circular member 5, and which has its major portion thereof, spaced from the bottom of the tank, to provide in connection with the said bottom, a heating chamber 5a. The member .5,at its upper portion, and at opposite sides, is provided with vent openings 6, the chamber 5a has crescent-shaped end walls 5b, which are an integral part of member 5 and abut against the outer face of the bottom of the tank. The member 5 is of a length equal to the length ofthe tank and has the longitudinal marginal portions of its inner face abutting throughout against the vouter face of the tank.

Su ported by the end. walls 5b of the cham er 5, and extending entirely through said chamber 5, is a gas burner 7, having its outlet ports 7 directed against the bottom of the tank. i

The burner 7 is spaced from the bottom of the tank and projects outwardly through one of the walls 5, and carries a mixing f, chamber 8, having connected therewith a gas supply pipe 9, formed with a cut-0H 10.

he machine further includes a supporting element for the dishes to be washed, and which consists of a pair of circular disks 11, 11, which are connected together by spaced tie bolts 19, positioned in close` proximity to the inturned edges 11b of thev disks 11, 11a, and secured in position by the nuts 11. The tie bolts 19 form the body of said element, and as they are arranged in spaced relation with respect to each other, a skeleton supporting element is provided.

4Hinged as at 12', to one of the tie bolts 19, 1s an imperforate cover 12, which is arcuate in contour andis detachably connected to another of the tie bolts 19, that isto say a tie bolt 19 opposite to that bolt to which the cover is hinged, by a suitable latching element 14. Securedto that tie bolt 19, to which the cover is hinged, and to the other tie bolt 19 to which the cover is latched, is a foraminous memberA 15, which in connection with the cover 12, pro-2 vides a compartment 16 for holding silverware or small dishes.

Arranged within the supporting element, as well as being positioned in spaced relation with respect' to each other, is a series of dish holders 17, and each of which is in the form of an elongated coil constructed from a suitable length of wire, and each end of the lengths of Wire, isbent diametrically as at 178, with respect tothe coil, and extends through an eye or fastener on the in ner face of a disk 11 or 11, and under such conditions the holders are supported at their ends from the disks 11 and 11a, as well as being connected to these latter. Each of the holders 17, is furthermore provided with a spring clip 20, for the purpose of connecting the holder to a tie bolt 19 and which will assist in connection with the disk 11, 11 for support-ing the holders in position.

The disk 11, centrally thereof, on its outer face, has secured thereto by hold-fast devices 201, a hub 21, in Which is adapted to extend a shaft 23, provided with threads 23a, and the said shaft 23, has threaded engagement with the threaded bore of a pair of opposed apertured flanged supporting members 22, which are secured against the faces of the end 2" of the receptacle 2, by the hold-fast devices 22. The walls of the openings of the supports 22, are threaded for engagement therewith of the threads of the shaft 23, and the latter has a handle 24 on its outer end, for the .purpose of adjusting it for engagement in the hub 21, when occasion requires.

Secured to the outer face of the disk 11, by the hold-fast devices 25, is a support 25, having an outwardly projecting squared shank 26, land which extends into a polygonallshaped socket formed on the inner end of a driven shaft 29. A collar 27, is fixed to the inner end of the driven shaft 29 and the latter is operated by a drive shaft 29a. A flanged bearing element 28 is fixed to the inner face of the end 2c of the receptacle and l through which extends as well as projects inwardly therefrom the drlven shaft 29.

The shaft 29a is mounted in a bearing 28,

which is secured to the inner face of the end 2, of the receptacle 2, by the` hold-fast devices 28a.

By providing means for uncoupling and the spraying of the dishes within the supporting element will be hereinafter referred'to.

The shaft 29, as well as the clutching mechanism 30, and part of the shaft 29, are

arranged in t-he auxiliary frame, and the said shaft 29a, further-projects outwardly from said auxiliary frame. and is provided on its outer end with an enlarged gear wheel I 31, having one face thereof formed integral with, or attached thereto, a driving pulley' 32,-which is connected by an endless belt 34, to a pulley 34, on the outer end of the. shaft 34b of the motor 35, which is supported at the lower portions of the standards l", 1g,

and upon the brace 1. The gear wheel 31, has a handle 33,` for use., when desired, to operate said gear 31 manually. The said gear 31 meshes with a pinion 36, carried by the operating shaft 36 of a pump V37, which is mounted on a support 37a. The pump 37 is of the centrifugal type.

Arranged von the support 37"l is a filter consisting of'a vertically disposed cylinder 43, having an inverted cone-shaped bottom 43, provided with an outlet 43", to which the discharge pipe 50 is secured, the latter depends downwardly, and is connected preferably to a sewer, or communicates with any suitable collector for receiving the matter discharged through said pipe 50, Arranged within the cylinder 43, is a vertically disposed filtering element 45, as shown constructed of a foraminous member of close 53'? mesh, and said member 44 conforms in contour to the cylinder 43. Lugs 46 are formed on" the inner face of the cylinder 43, at the upper and lower portions thereof, and provide means for holding the filtering element 45 in position. The lugs.46 space the element from the inner face of the cylinder 4 3, as indicated at 44. The cylinder 43 is provided with a removable handle member 48, and leading to the cylinder 43, as well 45 as communicating therewith, is an intake pipe 49, for fresh water. The lower end of the cylinder 43 has an inlet 42a, and opening therein, is an outlet pipe 42, which extends from the tank chamber 2a. Lea-ding from 5o the cylinder 43, as well as communicating.

therewith, is a pipe connection 38, thelatter opens into the pump 37. The screen 45 serves vas a partition diametrically dividing the cylinder 43 so that water drawn in through inlet 42*iL is filtered before being drawn through the pipe 38 to the pump'37 Extended inwardly from one of the longitudinal bars 1, of the tank frame,l is a pair of hangers 41, which support a longitudinally extending sprinkler pipe 4Q, havgg ing the outlet ports thereof directed downwardly for the purpose-of spraying water into the supporting element', in a direction as indicated at 41, Figure 4. Th-esprlnkler 65 pipe 40 isconnectcd to a vertical pipe 40,

water during the'circulation thereof through the tank, or when the water is not circulating, and further provides means whereby the dishes in the supporting element can be sprayed with water, whether the said element is rotating or not, and it furthermore provides means whereby the circulated water yis freed of grease, garbage, etc., after it leaves the tank and before it is re-supplied thereto.. The construction also permits 0f the entire removal of the supporting ele- -ment so as to rack or remove the dishes, or

permits of the removal or racking of the dishes when the supporting element remains ,within the tank.

The burner element, provides means for not only heating the water for facilitating the cleansing operation butfurthermore provides means for drying the dishes after the cleansing operation has been completed and the water withdrawn from the tank.

What I claim is 1. A dish washing machine comprising a tank, a filtering element exteriorly thereof, a pipe leading from a. source of supply and opening into said element near the top thereof, a pump exteriorly of the tank, a .pipe

connection leadin from one side of the bottom vof the filterlng element to the pump, -means extended from the pump and opening into said tank near the top thereof for supplying a cleansing medium thereto, a pipe connection leading from the bottom of the tank to the other side of the bottom of the filtering element whereby o-n the operation of the pump the .cleansing medium from the supply and from the tank will be filtered and circulated through the tank, and an outlet depending centrally from the bottom of said filtering element.

2. A dish washing machine comprising e stationary tank, a spray pipe extending lengthwise an-d near the topl thereof and provjecting from one end of the tank, a revolvable article carrier suspended within the tank, 'a filter exteriorly of the tank, means for establishing communication between the bottom of the tank and one side of the bottom of said filter, a cleansing medium supply pipe leading tothe upper portion of the filter, a pumpcommunicating with the otherl side of the bottom of the filter, a vertical" pipe connection between the pump and the projected end of the spray pipe, a discharge pipe depending from the bottom ofthe lfilter,

a driving mechanism for said carrier, and means for driving the pump from said driving mechanism simultaneously with the driving of the support. n v

3. A dish washing machine comprising a rectangular support, -a tank secured therewith and having its outer end spaced from the outer end of the support, a revolvable article carrier suspended within the tank and spaced from the ends thereof, a filter mounted on the support exteriorly of the outer end of the tank, a pum mounted -on the support exteriorly of said end of the tank, a motor mounted on the support exteriorly of said end of the tank and below said pump and filter, a driven element mounted on the support and extending through said end of the tank and detachably engaglng with the carrier for revolving the latter, means extending through the other end of the tank and detachably'engaging with the carrier for revolvably supporting it, a driving connection between the said element and said pump, a driving connection from the motor to said element, and

-pipe connections to provide for the circulating of a cleansing medium through the filter.` pump and tank.

In testimony whereof, I aiix my signature hereto.

LEON ORR L. PARK. 

